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authorDerek Buitenhuis <derek.buitenhuis@gmail.com>2012-02-23 10:55:35 -0500
committerAnton Khirnov <anton@khirnov.net>2012-02-23 20:43:39 +0100
commit480b133e6f79c470aff0f84d9ed3648d37c32b03 (patch)
tree61a71c7c0d9b4b9d4e1c0c9d6d24c492c53777fe /libavcodec/wavpack.c
parentba605cef7961ee699c893d1a3b5c9730f0a37b6c (diff)
wavpack: Don't shift minclip/maxclip
Since we are clipping before we shift the values to 16 or 32 bits, we should not shift the min/max clip values to compensate. Fixes 8 and 24 bit lossy decoding. Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com> Signed-off-by: Anton Khirnov <anton@khirnov.net>
Diffstat (limited to 'libavcodec/wavpack.c')
-rw-r--r--libavcodec/wavpack.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c
index fb0e0b2fa7..6eb913fa64 100644
--- a/libavcodec/wavpack.c
+++ b/libavcodec/wavpack.c
@@ -813,8 +813,8 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no,
s->hybrid = s->frame_flags & WV_HYBRID_MODE;
s->hybrid_bitrate = s->frame_flags & WV_HYBRID_BITRATE;
s->post_shift = bpp * 8 - orig_bpp + ((s->frame_flags >> 13) & 0x1f);
- s->hybrid_maxclip = (( 1LL << (orig_bpp - 1)) - 1) >> s->post_shift;
- s->hybrid_minclip = ((-1LL << (orig_bpp - 1))) >> s->post_shift;
+ s->hybrid_maxclip = (( 1LL << (orig_bpp - 1)) - 1);
+ s->hybrid_minclip = ((-1LL << (orig_bpp - 1)));
s->CRC = AV_RL32(buf); buf += 4;
if (wc->mkv_mode)
buf += 4; //skip block size;